Implement class: Vending Machine according to the following requirements: can be instantiated using the constructor Vending Machine(num_items item_price) where num_items denotes the number of items in the machine, and item_price denotes the required number of coins to buy a single item. • has a method buy(req_items, money) that represents a buy request where req_items denotes the requested number of items, and money is the amount the customer puts into the machine. Depending on the state of the machine, one of the following happens
Implement class: Vending Machine according to the following requirements: can be instantiated using the constructor Vending Machine(num_items item_price) where num_items denotes the number of items in the machine, and item_price denotes the required number of coins to buy a single item. • has a method buy(req_items, money) that represents a buy request where req_items denotes the requested number of items, and money is the amount the customer puts into the machine. Depending on the state of the machine, one of the following happens
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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